- The butter separated (sauce split).
- The base was too hot, or you added butter too fast. A tablespoon of ice-cold water and wild whisking sometimes saves it.
- It remained too thin.
- You didn't reduce the beer enough at the start. Thicken further, or use a tiny bit of cornflour.
Beer, Chilli and Mustard Sauce
This sauce is an elegant dance of physics and chemistry: emulsion. Beer (water-based) and butter (fat-based) inherently don't like each other. Natural substances in mustard and slow addition of cold butter help create a stable, creamy sauce without cream or flour. The hoppy bitterness of the beer counterpoints the honey's sweetness beautifully.
Ingredients
3
tbsp
Dijon mustard
100
ml
light beer (Lager or Pilsner)
1
tbsp
honey
0.5
tsp
chilli powder (or Cayenne)
1
clove
crushed garlic
20
g
cold butter (diced)
1
pinch
salt
Shopping List (0)
Equipment Needed
- Small saucepan with handle
- Whisk (essential)
Allergen Information
Mustard
Milk
Cereals containing gluten
Instructions
1
✓
Put the beer, garlic, honey, and chilli in the saucepan. Bring to a boil and cook until reduced by half (reduction).
Tip: This concentrates flavours and evaporates the alcohol.
2
✓
Reduce flame to minimum. Whisk in the mustard.
Tip: Mustard dislikes high heat; it can lose potency and turn bitter.
3
✓
Remove from heat. Now the trick: whilst stirring constantly, add the COLD butter one cube at a time.
Tip: This is called 'mounting with butter' (monter au beurre). Cold butter melts slowly, having time to form an emulsion with the liquid, making the sauce glossy and thick.
Recipe FAQ
Ingredients
- 3 tbsp Dijon mustard
- 100 ml light beer (Lager or Pilsner)
- 1 tbsp honey
- 0.5 tsp chilli powder (or Cayenne)
- 1 clove crushed garlic
- 20 g cold butter (diced)
- 1 pinch salt